| 摘要 |
<p>A liquid dispenser, equipped with a delivery pump (41, 60) carrying a dispensing nozzle (1) which includes a central supply chamber (4) arranged around an axis and a central outlet channel (7) in communication, on the one hand, with the said central chamber (4) and, on the other hand, with the outside, contains, in addition to the liquid to be dispensed, pressurized gas; the dispensing nozzle (1) also includes a peripheral supply chamber (36) and a peripheral outlet channel (25), the peripheral chamber (36) being in communication (15, 20) with the volume of pressurized gas contained in the container through a valve (45, 47, 48; 45, 51, 52; 17a, 68) which is closed when the push button is in its rest position and opened when the push button is actuated. <IMAGE></p> |
